Abstract

Additional publication details

Copper deposits of part of Helvetia mining district, Pima County, Arizona

Series title:

Bulletin

Series number:

1027

Chapter:

F

Edition:

-

Year Published:

1955

Language:

ENGLISH

Description:

p. 301-323

Larger Work Type:

Report

Larger Work Subtype:

USGS Numbered Series

Larger Work Title:

Contributions to economic geology, 1955

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